Home / 55,531,678.44-76,579,879.14-43,304,073.96

Finding the Fourth Proportional to 55,531,678.44, 76,579,879.14 and 43,304,073.96

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Solution

The fourth proportional to 55,531,678.44, 76,579,879.14 and 43,304,073.96 is: 59,717,639.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,531,678.44 : 76,579,879.14 = 43,304,073.96 : x
  2. Step 2: Convert to fraction form
    55,531,678.44/76,579,879.14 = 43,304,073.96/x
  3. Step 3: Cross multiply
    55,531,678.44x = 76,579,879.14 × 43,304,073.96
  4. Step 4: Simplify right side
    55,531,678.44x = 3,316,220,750,126,421.50
  5. Step 5: Solve for x
    x = 3,316,220,750,126,421.50/55,531,678.44
  6. Step 6: Final answer
    x = 59,717,639.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.